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尿素多大浓度能除草

更新时间: 2021-03-21 12:01:43     

1、尿素浓度为1~2%之间能除草。

2、尿素中的缩二脲能杀灭杂草。缩二脲是尿素生产过程中,处理不当产生的物质,又称双缩脲。但在实际尿素生产过程中,缩二脲是很难控制的,只要是尿素作为原料,通过高温生产的肥料都含有缩二脲。所以尿素浓度应控制在1~2%之间。

关键词: 尿素 浓度 除草

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